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1. Mary was both 13th highest and 13th lowest in a spelling contest. How many people were in the contest?
- A. 13
- B. 13
- C. 13
- D. 13
Answer: Option B
Explanation:
If Mary is the 13th highest person, it means there are 12 people ranked above her. If she is also the 13th lowest person, it means there are 12 people ranked below her. The total number of people is the sum of the people above her, Mary herself, and the people below her:
12(people above)+1(Mary)+12(people below)=25 people in total.
12(people above)+1(Mary)+12(people below)=25 people in total.
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